Skip to content
ElectricBillTool India's Bill Calculator
Delhi • Effective 2025-04-01

TPDDL Electricity Bill Calculator

Independent estimator for Tata Power Delhi Distribution Ltd. (also known as Tata Power Delhi, NDPL). Estimate your bill using the official slab structure, FAC, duty and fixed charges — domestic, commercial and industrial. We do not display or pay your actual bill — for that, visit the official DISCOM portal.

Independent third-party calculator — not affiliated with any DISCOM, electricity board or government body.

electricbilltool.com is an independent estimator. We do not display, fetch, or pay your actual bill, and we do not ask for any consumer / account number, OTP, or login details. To view or pay your actual TPDDL bill, visit the official portal at www.tatapower-ddl.com.

Just want the TPDDL per-unit rate?

See ₹3.00/unit (slab 1) → ₹8.00/unit (top slab) plus FAC, fixed & duty — without a full bill run.

Unit rates

TPDDL Domestic Slab Rates

Effective 2025-04-01. Energy charge structure.

Slab (units / month) Energy rate (₹/unit)
1 – 200 ₹3.00
201 – 400 ₹4.50
401 – 800 ₹6.50
801 – 1200 ₹7.00
Above 1200 ₹8.00
Fixed charges
Slab-based
FAC / FPPCA
₹0.35/unit
Electricity duty
5%
Telescopic
Yes

Commercial (LT) Rates

Slab (units / month) Energy rate (₹/unit)
Above 0 ₹9.50
Fixed charges
₹250/kW/mo
FAC / FPPCA
₹0.35/unit
Electricity duty
11%
Telescopic
No

Industrial (LT) Rates

Slab (units / month) Energy rate (₹/unit)
Above 0 ₹7.75
Fixed charges
₹170/kW/mo
FAC / FPPCA
₹0.35/unit
Electricity duty
5%
Telescopic
No

Sample TPDDL domestic bills (2026)

Based on a 3 kW sanctioned-load domestic connection. Excludes subsidy. Use the calculator above for exact numbers with your own load and subsidy.

Bill for 100 units

₹404

avg ₹4.04/unit

Bill for 150 units

₹580

avg ₹3.87/unit

Bill for 200 units

₹756

avg ₹3.78/unit

Bill for 250 units

₹1,011

avg ₹4.04/unit

Bill for 300 units

₹1,265

avg ₹4.22/unit

Bill for 400 units

₹1,775

avg ₹4.44/unit

Bill for 500 units

₹2,494

avg ₹4.99/unit

Bill for 750 units

₹4,292

avg ₹5.72/unit

Bill for 1000 units

₹6,195

avg ₹6.20/unit

Cities served by TPDDL

TPDDL is the electricity distribution licensee for large parts of Delhi, including:

North DelhiRohiniPitampuraModel TownCivil LinesBadliNarela

Local surcharges and urban/rural classification can adjust your final bill. Rural connections in Delhi may also qualify for tariff subsidies not reflected above.

About TPDDL (Tata Power Delhi)

Tata Power Delhi Distribution Ltd. is the distribution licensee serving Delhi — official site linked below. It is also commonly searched as Tata Power Delhi, NDPL — all these names refer to the same DISCOM. Consumers are billed monthly (bi-monthly in some categories) based on metered units, applicable slab rates, and fixed charges that scale with your sanctioned load.

This page stays synced with the latest tariff order from the state regulator. Every quarter we verify rates against the published order and update accordingly. Last verified: 2026-04-22.

Official website: www.tatapower-ddl.com

TPDDL — Common Questions

Answers to the most common electricity bill questions in India.

What are the latest TPDDL tariff rates?
As per the tariff order effective 2025-04-01, TPDDL domestic slabs range from ₹3.00/unit to ₹8.00/unit. Fixed charges: slab-based on sanctioned load. See the full table on this page.
How do I calculate my TPDDL bill?
Enter your units (or previous/current meter readings), select domestic/commercial/industrial, and enter your sanctioned load. The tool applies TPDDL's telescopic slab structure, adds fixed charges, FAC, electricity duty and any applicable subsidy — identical to the method on your bill.
Does TPDDL use telescopic billing?
For domestic consumers, TPDDL uses telescopic billing. This means only the units within each slab are charged at that slab's rate.
Is there a subsidy for TPDDL consumers?
Yes — eligible domestic consumers receive a subsidy of ₹3/unit on the first 200 units, subject to scheme rules. Toggle "Apply state subsidy" in the calculator to see the effect.
What is the electricity duty in Delhi?
Delhi levies an electricity duty of 5% on domestic bills, calculated on the energy + fixed + FAC base unless noted otherwise.
How do I view or estimate my TPDDL bill online?
To view or pay your actual TPDDL bill, log in to the official TPDDL consumer portal at www.tatapower-ddl.com with your consumer / account number — only the official portal can show your real bill. To estimate the bill amount using the official slab structure, enter your units in the independent calculator above. TPDDL is also commonly searched as Tata Power Delhi, NDPL.
Is Tata Power Delhi the same as TPDDL?
Yes. Tata Power Delhi, NDPL are alternate names commonly used for Tata Power Delhi Distribution Ltd. (TPDDL). All these terms refer to the same distribution licensee in Delhi, and this calculator covers all of them.